new itunes with multiple computers
i recently purchased the ipod 4, 16G, i used my laptop as its home computer, but when i tried to put some music from my mac(other computer) i couldnt drag songs onto my ipod.With my previous ipod touch 4 i could sync it with multiple computer by going on summary and then checking the box "manually manage music and videos", then i could drag songs from the computer onto my ipod, but its not working this time.
PLEASE HELP!!
iPod touch